| The remains of an ammunition building and bunkers which were once part of a munitions factory and storage facility are located within the St Marys Industrial Estate, which was built on the site of the wartime complex. Designed for explosives, the buildings were erected during World War II, each being surrounded by mounded earth. A number of tunnels and trenches remain. As part of the development associated with the establishment the munitions factory, a number of houses were built as staff cottages. The Commonwealth Government perceived a need to increase the production of munitions and built a new filling factory at St. Marys on a site adjacent to the old wartime factory. It was officially opened by the then Prime Minister, Robert Menzies, on 17 December 1957. With the race to rebuild the St Marys Munitions Filling Factory. The factory commenced production in early 1958 and remained operational until late 1995. |  |
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